first aid kit (with snall notebook, pencil, needle and painkillers)
headlamp
duct tape on my trekking poles
about 30 feet of rope
steripen
water bladder
empty gatorade bottle
snacks
spacy bivy
if possibility of rain DriDucks (lightweight waterproof pants and jacket)
sunscreen/chapstic
cell
small pocket knife
signal mirror
bug net/deet
map, compass and maybe GPS
lightweight skull cap (think beanie)
if gaining a lot of elevation, I might bring along a lightweight down jacket and pants which could double as a bag with my space bivy